Gisløy Nø

Site 34357 · Øksnes municipality · Production area 9, Vestfjorden og Vesterålen

Below the lice limit, week 39Operated by Øyfisk AS · group unknown

0.00Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 17 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

12Wellboat visits in 2026by 5 different vessels · latest 28 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, January 2024Since 2006 · Directorate of Fisheries · updated 01 Oct 2026

Sea lice against the limit

Weekly average of adult female lice per fish, as reported by the company. For this site the limit is 0.2 in weeks 21–26 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.19	0.5	Below the limit
2	0.21	0.5	Below the limit
3	0.18	0.5	Below the limit
4	0.40	0.5	Near the limit
5	0.15	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.12	0.5	Below the limit
8	0.08	0.5	Below the limit
9	0.15	0.5	Below the limit
10	0.13	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.15	0.5	Below the limit
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20250 of 49 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.22	0.5	Below the limit
2	0.13	0.5	Below the limit
3	unknown	0.5	Reported without a count
4	0.25	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.20	0.5	Below the limit
7	unknown	0.5	Reported without a count
8	0.21	0.5	Below the limit
9	0.27	0.5	Below the limit
10	0.20	0.5	Below the limit
11	0.26	0.5	Below the limit
12	unknown	0.5	Reported without a count
13	0.10	0.5	Below the limit
14	0.19	0.5	Below the limit
15	0.10	0.5	Below the limit
16	0.04	0.5	Below the limit
17	0.06	0.5	Below the limit
18	0.07	0.5	Below the limit
19	0.06	0.5	Below the limit
20	0.11	0.5	Below the limit
21	0.08	0.2	Below the limit
22	0.10	0.2	Below the limit
23	0.18	0.2	Near the limit
24	0.18	0.2	Near the limit
25	0.03	0.2	Below the limit
26	0.03	0.2	Below the limit
27	0.02	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.06	0.5	Below the limit
31	0.05	0.5	Below the limit
32	0.09	0.5	Below the limit
33	0.10	0.5	Below the limit
34	0.23	0.5	Below the limit
35	0.49	0.5	Near the limit
36	0.46	0.5	Near the limit
37	0.04	0.5	Below the limit
38	0.06	0.5	Below the limit
39	0.10	0.5	Below the limit
40	0.22	0.5	Below the limit
41	0.29	0.5	Below the limit
42	0.26	0.5	Below the limit
43	0.25	0.5	Below the limit
44	0.20	0.5	Below the limit
45	0.20	0.5	Below the limit
46	0.21	0.5	Below the limit
47	0.17	0.5	Below the limit
48	0.22	0.5	Below the limit
49	0.24	0.5	Below the limit
50	0.25	0.5	Below the limit
51	0.23	0.5	Below the limit
52	0.20	0.5	Below the limit

20242 of 26 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.42	0.5	Near the limit
2	0.25	0.5	Below the limit
3	0.20	0.5	Below the limit
4	unknown	0.5	Reported without a count
5	0.24	0.5	Below the limit
6	0.16	0.5	Below the limit
7	0.20	0.5	Below the limit
8	0.23	0.5	Below the limit
9	0.15	0.5	Below the limit
10	0.20	0.5	Below the limit
11	0.25	0.5	Below the limit
12	unknown	0.5	Reported without a count
13	unknown	0.5	Reported without a count
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	unknown	0.5	Reported without a count
36	unknown	0.5	Reported without a count
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.03	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.05	0.5	Below the limit
42	0.17	0.5	Below the limit
43	0.15	0.5	Below the limit
44	0.10	0.5	Below the limit
45	0.40	0.5	Near the limit
46	0.31	0.5	Below the limit
47	0.48	0.5	Near the limit
48	0.60	0.5	Above the limit
49	0.44	0.5	Near the limit
50	0.66	0.5	Above the limit
51	0.11	0.5	Below the limit
52	0.17	0.5	Below the limit

20230 of 13 weeks with a count above the limit (data from week 40)

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.21	0.5	Below the limit
41	0.47	0.5	Near the limit
42	0.42	0.5	Near the limit
43	0.07	0.5	Below the limit
44	0.24	0.5	Below the limit
45	0.20	0.5	Below the limit
46	0.26	0.5	Below the limit
47	0.31	0.5	Below the limit
48	0.28	0.5	Below the limit
49	0.37	0.5	Below the limit
50	0.15	0.5	Below the limit
51	0.26	0.5	Below the limit
52	0.20	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 43, 2025
Thermal delousing6 pens
Week 37, 2025
Thermal delousingWhole site
Week 25, 2025
Thermal delousingWhole site
Week 51, 2024
Thermal delousing4 pens

Show all 10

Week 47, 2024
Medicinal feed1 pen · Emamectin benzoat
Week 46, 2024
Medicinal feed10 pens · Emamectin benzoat
Week 45, 2024
Medicinal feed10 pens · Emamectin benzoat
Week 50, 2023
Thermal delousing4 pens
Week 43, 2023
Thermal delousingWhole site
Week 40, 2023
Mechanical delousing1 pen

Disease

Norwegian Food Safety Authority

No cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).

Escapes

Directorate of Fisheries

19 Jan 2024
1 salmon escapedCause: Usikkert. Slitasje/tretthet i sammenføying leis. · recaptured 1 · Directorate of Fisheries

Wellboat visits

12 visits in 2026

Visits are derived by us from the Coastal Administration's AIS positions: a fish carrier stationary within 500 metres of the farm for at least 30 minutes. The AIS archive lags about 17 days. A visit is not proof of infection.

Arrival	Vessel	Previous farm (14 days)	Duration
28 Aug 2026	Ro Spirit	Kvenbukta V	1 h 23 min
27 Aug 2026	Ro Spirit	Kvenbukta V	39 min
30 Mar 2026	Ro Master	Holmen	1 h 17 min
29 Mar 2026	Ro Master	Holmen	1 h 34 min
25 Mar 2026	Ro Master	Skaret	1 h 14 min
22 Mar 2026	Ro Master	Holmen	2 h 45 min
13 Mar 2026	Ro Arctic	Lavika	4 h 3 min
10 Mar 2026	Caspian	Brottøy	2 h 15 min
06 Mar 2026	Ro Arctic	Lavika	3 h 42 min
23 Feb 2026	Ro Spirit	Skjervøy	3 h 41 min
30 Jan 2026	Ro Sailor	Holmen	3 h 35 min
09 Jan 2026	Ro Sailor	Holmen	1 h 41 min

Show 21 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
26 Oct 2025	Ro Fortune	Frovågneset	19 h 17 min
14 Sep 2025	Ro Spirit	Skauholmen	4 h 21 min
14 Sep 2025	Ro Arctic	Svindalen I	22 h 16 min
13 Sep 2025	Ro Arctic	Svindalen I	4 h 36 min
31 Aug 2025	Tonny	Svindalen I	44 min
16 Aug 2025	Ro Chief	Alsvåg	2 h 25 min
16 Aug 2025	Ro Chief	Hundbergan	2 h 38 min
13 Aug 2025	Ro Spirit	Hosenøyan	39 min
19 Jun 2025	Ro Venture	Selsøyvær	23 h 32 min
18 Jun 2025	Ro Venture	Selsøyvær	9 h 35 min
17 Jun 2025	Ro Venture	Selsøyvær	10 h 52 min
16 Jun 2025	Ro Venture	Selsøyvær	15 h 52 min
15 Jun 2025	Ro Venture	Selsøyvær	9 h 15 min
21 Dec 2024	Ro Fortune	Larstangen	12 h 9 min
20 Oct 2024	Ro Spirit	Svindalen I	3 h 19 min
14 Oct 2024	Bjorg Pauline	Svindalen I	1 h 46 min
28 Aug 2024	Rohav	Skinnstakkvika	41 min
27 Aug 2024	Rohav	Skinnstakkvika	1 h 45 min
04 Apr 2024	Grotanger	Rotvika	2 h 33 min
19 Mar 2024	Grotanger	Rotvika	3 h 23 min
12 Feb 2024	Grotanger	Alsvåg	3 h 30 min

Source: Norwegian Coastal Administration (AIS) · calculated by the Salmon Ledger · updated 01 Oct 2026

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
N Ø 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Øyfisk AS
N Ø 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Øyfisk AS
N Ø 0040	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Øyfisk AS
N Ø 0042	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Øyfisk AS
N Ø 0046	Kommersiell / matfiskSalmon, Rainbow trout, Trout	631 t	Øyfisk AS
N Ø 0047	Kommersiell / matfiskSalmon, Rainbow trout, Trout	253 t	Øyfisk AS
N Ø 0049	Kommersiell / matfiskSalmon, Rainbow trout, Trout	200 t	Øyfisk AS

Source: Directorate of Fisheries, aquaculture register · updated 01 Oct 2026